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2. Pull-up resistor - Wikipedia

   en.wikipedia.org/wiki/Pull-up_resistor

   A resistor with relatively high resistance is called a "weak" pull-up or pull-down; when the circuit is open, it will pull the output high or low more slowly, but will draw less current. This current, which is essentially wasted energy, only flows when the switch is closed, and technically for a brief period after it is opened until the charge ...

3. Wired logic connection - Wikipedia

   en.wikipedia.org/wiki/Wired_logic_connection

   Wired logic works by exploiting the high impedance of open collector outputs (and its variants: open emitter, open drain, or open source) by just adding a pull-up or pull-down resistor to a voltage source, or can be applied to push-pull outputs by using diode logic (with the disadvantage of incurring a diode drop voltage loss).

4. Open collector - Wikipedia

   en.wikipedia.org/wiki/Open_collector

   The output is usually connected to an external pull-up resistor, which pulls the output voltage to the resistor's supply voltage when the transistor is off. For PNP open collector outputs, the emitter of the PNP transistor is internally connected to the positive voltage rail , so the collector outputs a high voltage when the transistor is on or ...

5. Push–pull output - Wikipedia

   en.wikipedia.org/wiki/Push–pull_output

   A Class B push–pull output driver using a pair of complementary PNP and NPN bipolar junction transistors configured as emitter followers. A push–pull amplifier is a type of electronic circuit that uses a pair of active devices that alternately supply current to, or absorb current from, a connected load. This kind of amplifier can enhance ...

6. List of 7400-series integrated circuits - Wikipedia

   en.wikipedia.org/wiki/List_of_7400-series...

   20 kΩ pull-up three-state 20 SN74ALS746: 74x747 1 octal buffer / line driver, non-inverting 20 kΩ pull-up three-state 20 SN74ALS747: 74x748 1 8 to 3-line priority encoder (glitch-less) 16 SN74LS748: 74x756 1 octal buffer/line driver, inverting outputs open-collector 20 SN74AS756: 74x757 1

7. I3C (bus) - Wikipedia

   en.wikipedia.org/wiki/I3C_(bus)

   Pull-up resistors are provided by the I3C controller. External pull-up resistors are no longer needed. Clock Stretching – devices are expected to be fast enough to operate at bus speed. The I3C controller is the sole clock source. I²C Extended (10-bit) Addresses. All devices on an I3C bus are addressed by a 7-bit address.